68002025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 105493248

約数和(自身を除く): 37491223

約数列:

[1, 5, 7, 13, 25, 35, 65, 71, 91, 175, 325, 355, 421, 455, 497, 923, 1775, 2105, 2275, 2485, 2947, 4615, 5473, 6461, 10525, 12425, 14735, 23075, 27365, 29891, 32305, 38311, 73675, 136825, 149455, 161525, 191555, 209237, 388583, 747275, 957775, 1046185, 1942915, 2720081, 5230925, 9714575, 13600405, 68002025]

約数ペア:

[(1, 68002025), (5, 13600405), (7, 9714575), (13, 5230925), (25, 2720081), (35, 1942915), (65, 1046185), (71, 957775), (91, 747275), (175, 388583), (325, 209237), (355, 191555), (421, 161525), (455, 149455), (497, 136825), (923, 73675), (1775, 38311), (2105, 32305), (2275, 29891), (2485, 27365), (2947, 23075), (4615, 14735), (5473, 12425), (6461, 10525)]